from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Opposing or intended to regulate business monopolies, such as trusts or cartels, especially in the interest of promoting competition.

from The Century Dictionary.

  • Opposed to the power or development of trusts, or of large combinations of capital.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective opposed to trusts, monopolies, or other large combinations of business or capital which threaten fair competition; designed to protect trade and commerce from unfair business practices; -- of laws and regulations.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective law Opposed to or against the establishment or existence of trusts (monopolies), usually referring to legislation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of laws and regulations; designed to protect trade and commerce from unfair business practices


Sorry, no etymologies found.


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  • Structural relief is a familiar concept in antitrust law, and was the way that the power of the railroads, Big Steel, Big Aluminum, and the old AT&T were finally brought under control, once it was finally clear that regulations could never control them.

    Matthew Yglesias » Mankiw Endorses TBTF Tax 2010

  • He returned after the war to attend law school, clerk on the Supreme Court, and become an expert in antitrust law in private practice, before being appointed a judge.

    Stevens reactions: 'An inspiration to a generation of Americans' -Biden 2010

  • News Corp.'s bid for BSkyB was referred to antitrust regulators, amid a political firestorm over reporting tactics of its News of the World tabloid.

    What's News— 2011

  • Avis, meanwhile, moved forward with its efforts to obtain antitrust approval and reiterated its commitment to sell assets representing $325 million of revenue as part of its Hertz bid.

    Holders Reject Proposal By Hertz Doug Cameron 2010

  • Clearwire said the move came "out of an abundance of caution to address questions raised by Clearwire regarding new developments in antitrust law," such as a recent decision involving the National Football League and how it relates to the Clayton Act. That law bars so-called interlocking directorships in order to preserve competition and avoid possible collusion or exchange of sensitive pricing information between rivals.

    Sprint Executives Quit Clearwire Board Roger Cheng 2010

  • Institutional point about process: in most jurisdictions, antitrust is predominantly the business of the government.

    Archive 2009-08-01 Rebecca Tushnet 2009

  • These companies would like to pretend that they want to collaborate to reduce costs, but antitrust is the obstacle.

    Wonk Room 2009

  • Hence this has to be addressed in antitrust law to some extent.

    The Volokh Conspiracy » The FCC and the Internet: 2010

  • The requests, a special kind of subpoena used in antitrust investigations, followed a complaint by [the Computer & Communications Industry Association — a group with many IBM rivals among its members] to the Justice Department accusing IBM of harming businesses by abusing its dominance of the market for mainframes.

    Coyote Blog » Blog Archive » The State of Anti-Trust 2009

  • Clearwire said that the resignations relate to addressing recent changes in antitrust laws, but the move could provide Clearwire added flexibility to pursue a deal.

    Sprint Executives Quit Clearwire Board Roger Cheng 2010


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